"They really requested a smaller-portion size of our blizzard - smaller appetites. We also felt there was an opportunity there with a smaller size Blizzard - which is our signature product - to perhaps bundle it with a combo meal or a food meal, as well."

Dairy Queen isn't the only big-name restaurant shrinking menu items. Last February, Burger King introduced a line of mini-burgers called "BK Burger Shots." Executives at the time touted that while the product "might look small ... they are full of the big, flame-broiled taste."